The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 06, 1993
Filed:
Dec. 13, 1990
Applicant:
Inventors:
Assignee:
Van den Bergh Foods Co., Division of Conopco, Inc., Lisle, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07H / ;
U.S. Cl.
CPC ...
203 34 ; 203 71 ; 203D / ; 203D / ; 536119 ; 536127 ; 554175 ; 554176 ; 554191 ;
Abstract
A process for refining organic-solvent containing crude polyol fatty-acid polyester reaction product, including the steps of distilling the crude reaction product to substantially remove the organic solvent, and subsequently subjecting the distilled reaction product to a bleaching treatment. The process allows an economic use of bleaching agents while achieving good color and color stability of the refined product.